Critical Leadership Style Scale: Validity and Reliability Study
Abstract
The aim of the study is to develop a Likert type scale which measures the critical leadership style needed in the field of education management in a valid and reliable manner. The Critical Leadership Style Scale was developed based on the 12 critical leadership actions included in Jenkins and Cutchens's (2011) grounded theory study which is called “Leading Critically”. First of all, a pool of 41 items and a draft scale form were created as a result of literature review. The 41-item draft scale form was reduced to 36 according to the opinions of experts and teachers. The form of the scale was created as 5-point Likert scale. The data were collected from 349 teachers for the confirmatory factor analysis, from 359 teachers for the confirmatory factor analysis and from 38 teachers for test-retest analysis. The factor structure obtained from the exploratory factor analysis was confirmed by confirmatory factor analysis. As a result of factor analysis, the structure consisting of 4 sub-dimensions and 30 items was tested with confirmatory factor analysis. The Cronbach Alpha internal consistency coefficient was calculated as 0.969 based on the data obtained to determine the reliability level of the scale. As a result of the analyzes, it was determined that the scale was a valid and reliable measurement instrument.
Keywords
critical leadership,leadership,critical thinking,scale development
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